Using the data from 2010 to 2021 in Shanghai and Shenzhen A-share, the influence of green innovation on audit pricing is analyzed, in order to provide some theory foundation and experience for the improvement of the audit supervision and the implementation of green development. It is found that corporate green innovation can improve audit pricing level, and corporate sustainable management plays an intermediary effect in corporate green innovation and audit pricing, which is an important path for corporate green innovation to promote audit pricing level. Further analysis shows that the shareholding of institutional investors can alleviate the positive correlation between corporate green innovation and audit pricing. Heterogeneity test shows that the positive correlation between corporate green innovation and audit pricing is more significant in private enterprises.